Which of the following is the most common trunking protocol used in virtual LANs?

Which of the following is the most common trunking protocol used in virtual LANs?

• 802.1t
• 802.1z
• 802.1X
• 802.1Q 

 

EXPLANATION

IEEE 802.1Q is the networking standard that supports VLANs on an Ethernet network. The standard defines a system of VLAN tagging for Ethernet frames and the accompanying procedures to be used by bridges and switches in handling such frames